[PATCH] mmc: mmci: Fixup and cleanup code for DMA handling

[Ulf Hansson]

On 21 November 2012 16:22, Ulf Hansson <ulf.hansson at linaro.org> wrote:
> On 16 October 2012 13:44, Ulf Hansson <ulf.hansson at linaro.org> wrote:
>> On 16 October 2012 10:17, Linus Walleij <linus.walleij at linaro.org> wrote:
>>> On Tue, Oct 16, 2012 at 9:16 AM, Ulf Hansson <ulf.hansson at linaro.org> wrote:
>>>
>>>> This code has not been tested on a "legacy" ARM PL180 but only for
>>>> ux500 boards. Even if it should affect DMA handling we should test
>>>> this properly. Would be great if you were able to help out, I guess
>>>> you still have available hardware for these tests?
>>>
>>> I can test the Integrator/CP and Realview in IRQ/PIO mode and
>>> the U300 in DMA mode.
>>
>> Great!
>>
>>>
>>> I need some help to provoke errorpath in DMA mode though,
>>> so any hints are welcome...
>>
>> One good option could be to stress test card insert/removal sequences,
>> while at the same time doing read/write requests.
>>
>>>
>>> Yours,
>>> Linus Walleij
>>
>> Kind regards
>> Ulf Hansson
>
> Just a kind reminder for Linus; did you manage to do some tests for
> these patches?
>
> Kind regards
> Ulf Hansson

I have now tested these patches for ARM-RealView PB1176. Looks good! I
stress tested card insert/remove at the same time you write/read to
the card. Error handling is stable.

Kind regards
Ulf Hansson